From Universe Today: One of the great outstanding questions in science is known as the “theory of everything”. What underlying laws of physics explain the forces we see in nature? Are gravity and electromagnetism the same force? One popular theory is known as string theory, and proposes that everything in the Universe is made up of tiny, vibrating strings. String theory’s mathematics work best when you invoke extra dimensions, beyond the 3 (plus time) that we can detect. Mathematicians propose... Read more





